from collections import deque
from collections import defaultdict
N = int(input())
d = defaultdict(lambda: -1)
pre = defaultdict(lambda: -1)
seen = defaultdict(lambda: False)
s = N
q = deque([s])
while q:
    v = q.popleft()
    if v == 1:
        break
    if v % 2 == 0:
        next = v//2
        if seen[next]:
            continue
        q.append(next)
        pre[next] = v
        seen[next] = True
    else:
        next = 3*v-1
        next2 = 3*v+1
        if not seen[next]:
            q.append(next)
            seen[next] = True
            pre[next] = v
        if not seen[next2] and next2 <= 10**18:
            q.append(next2)
            seen[next2] = True
            pre[next2] = v
now = 1
ans = []
while now != N:
    past = pre[now]
    if past % 2 == 0:
        ans.append('/')
    else:
        if 3*past-1 == now:
            ans.append('-')
        else:
            ans.append('+')
    now = past
print(len(ans))
print(''.join(ans[::-1]))